MathyMcMathster MathyMcMathster

12-05-2021
Mathematics

contestada

In direct variation y = kx. What is the value of k if y = 20 and x = 4 ?

Respuesta :

julie2031 julie2031

12-05-2021

y = kx for fixed constant k
20 = k(4) --> 20 = 4k --> k=5

y = 5x

30 = 5x
x=6

Answer Link

Otras preguntas

You want to try the items below, but you only want some of each. Write the appropriate partitive article. modele-une soupe → de la soupe 1.un fromage → fromage

Which of the following Statements are true? Statement 1: A STOP sign is a regular octagon. Statement 2: An equilateral triangle has three angles.

A bottle is filled with 4oz of perfume. If 20% of the perfume evaporates, how many ounces remain?

1. Two cats are mated. One of the parent cats is long-haired (recessive allele). The offspring of the two cats are: two short-haired and three long-haired kitte

what percentage of senators is up for re-election every two years?

Why were some Americans opposed to the US having colonies?

2. Michael Evans works a basic week of 40 hours. During a certain week he works 52 hours. If his weekly wage is $100.80 and overtime is paid at time and a half

The Dao in the Sapa area is famous ________ its “love market.” a. for b. in c. with d. to

For positive acute angles A and B, it is known that cos A = 4/5 and tan B =5/12 Find the value of cos(A + B) in simplest form.

When the makers of Reese's candy bars decided to manufacture Reese's peanut butter, it was an example of